{"id":85,"date":"2025-04-04T00:00:00","date_gmt":"2025-04-03T15:00:00","guid":{"rendered":"https:\/\/pusyuuwanko.com\/wordpress\/?p=85"},"modified":"2026-10-09T20:17:47","modified_gmt":"2026-10-09T11:17:47","slug":"export-default-%e3%81%af%e9%96%a2%e6%95%b0%e3%81%ae%e4%b8%ad%e3%81%ab%e6%9b%b8%e3%81%91%e3%81%aa%e3%81%84%ef%bc%81%ef%bc%9fnext-js-x-jsx%e3%81%a7%e3%83%8f%e3%83%9e%e3%81%a3%e3%81%9f%e8%a9%b1","status":"publish","type":"post","link":"https:\/\/p-blog.pusyuuwanko.com\/index.php\/2025\/04\/04\/export-default-%e3%81%af%e9%96%a2%e6%95%b0%e3%81%ae%e4%b8%ad%e3%81%ab%e6%9b%b8%e3%81%91%e3%81%aa%e3%81%84%ef%bc%81%ef%bc%9fnext-js-x-jsx%e3%81%a7%e3%83%8f%e3%83%9e%e3%81%a3%e3%81%9f%e8%a9%b1\/","title":{"rendered":"export default \u306f\u95a2\u6570\u306e\u4e2d\u306b\u66f8\u3051\u306a\u3044\uff01\uff1fNext.js \u00d7 JSX\u3067\u30cf\u30de\u3063\u305f\u8a71"},"content":{"rendered":"<h2>\u2705 \u306f\u3058\u3081\u306b<\/h2>\n<p>Next.js \u3084 React \u3067 JSX \u306b\u6163\u308c\u3066\u3044\u304f\u4e2d\u3067\u3001\u3042\u308b\u7591\u554f\u306b\u3076\u3064\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u300c\u95a2\u6570\u306e\u4e2d\u306b <code>export default<\/code> \u3092\u66f8\u3044\u305f\u3089\u30a8\u30e9\u30fc\u306b\u306a\u3063\u305f\u3093\u3060\u3051\u3069\u3001\u306a\u3093\u3067\uff1f\u300d<\/p>\n<p>\u2026\u3068\u3044\u3046\u8a71\u3068\u3001\u305d\u306e\u5ef6\u9577\u3067\u300cHTML\u3092\u5909\u6570\u306b\u5165\u308c\u3066\u52d5\u7684\u306b\u6271\u3044\u305f\u3044\u3068\u304d\u3001JSX\u3068\u3069\u3046\u4ed8\u304d\u5408\u3048\u3070\u3044\u3044\u306e\uff1f\u300d\u3068\u3044\u3046\u5b9f\u4f53\u9a13\u3092\u8a18\u4e8b\u306b\u307e\u3068\u3081\u307e\u3059\u3002<\/p>\n<hr \/>\n<h2>\u274c export default \u3092\u95a2\u6570\u5185\u3067\u4f7f\u3063\u3066\u306f\u3044\u3051\u306a\u3044\u7406\u7531<\/h2>\n<pre><code class=\"language-ts\">function wrapper() {\n  export default function Home() {\n    return &lt;div&gt;Hello&lt;\/div&gt;;\n  }\n}<\/code><\/pre>\n<p>\u3053\u308c\u306f\u69cb\u6587\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>\ud83d\udd3a \u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8<\/h3>\n<pre><code>SyntaxError: 'export' declarations may only appear at top level of a module<\/code><\/pre>\n<p><strong>\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30c8\u30c3\u30d7\u30ec\u30d9\u30eb\uff08\u6700\u4e0a\u4f4d\uff09\u3067\u3057\u304b\u4f7f\u3048\u306a\u3044<\/strong>\u3068\u3044\u3046\u5236\u7d04\u304c\u3042\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n<hr \/>\n<h2>\u2705 \u6b63\u3057\u3044\u66f8\u304d\u65b9<\/h2>\n<pre><code class=\"language-ts\">export default function Home() {\n  return &lt;div&gt;Hello&lt;\/div&gt;;\n}<\/code><\/pre>\n<p>\u30c8\u30c3\u30d7\u30ec\u30d9\u30eb\u306b <code>export<\/code> \u3092\u66f8\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<hr \/>\n<h2>\ud83d\udcad \u51e6\u7406\u3092\u95a2\u6570\u5316\u3057\u305f\u3044\u3068\u304d\u306f\uff1f<\/h2>\n<pre><code class=\"language-ts\">function generateHtml(title: string) {\n  return `&lt;h1&gt;${title}&lt;\/h1&gt;`;\n}\n\nexport default function Home() {\n  const html = generateHtml(\"\u3053\u3093\u306b\u3061\u306f\");\n  return &lt;div dangerouslySetInnerHTML={{ __html: html }} \/&gt;;\n}<\/code><\/pre>\n<p><code>dangerouslySetInnerHTML<\/code> \u3092\u4f7f\u3048\u3070HTML\u6587\u5b57\u5217\u3082\u633f\u5165\u3067\u304d\u307e\u3059\u3002<\/p>\n<hr \/>\n<h2>\u2705 \u307e\u3068\u3081<\/h2>\n<ul>\n<li><code>export<\/code> \u306f\u95a2\u6570\u3084 if \u6587\u306e\u4e2d\u3067\u306f\u4f7f\u3048\u306a\u3044<\/li>\n<li>HTML\u3092\u7d44\u307f\u7acb\u3066\u305f\u3044\u306a\u3089\u3001\u30c8\u30c3\u30d7\u30ec\u30d9\u30eb\u95a2\u6570\u3067\u51e6\u7406<\/li>\n<li>JSX\u3067\u306f <code>map()<\/code> \u3067\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u304c\u81ea\u7136<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u3061\u3083\u3093\u3068\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u66f8\u3044\u3066\u3042\u308b\u3093\u3067\u3059\u304c\u3001JavaScript ( JS ) \u304b\u3089\u304d\u305f\u65b9\u304c\u3064\u307e\u305a\u304f\u30dd\u30a4\u30f3\u30c8\u3060\u3068\u601d\u3063\u305f\u306e\u3067\u8a18\u4e8b\u306b\u3057\u3066\u307f\u307e\u3057\u305f\uff01<\/p>\n<p class=\"continue-reading-button\"> <a class=\"continue-reading-link\" href=\"https:\/\/p-blog.pusyuuwanko.com\/index.php\/2025\/04\/04\/export-default-%e3%81%af%e9%96%a2%e6%95%b0%e3%81%ae%e4%b8%ad%e3%81%ab%e6%9b%b8%e3%81%91%e3%81%aa%e3%81%84%ef%bc%81%ef%bc%9fnext-js-x-jsx%e3%81%a7%e3%83%8f%e3%83%9e%e3%81%a3%e3%81%9f%e8%a9%b1\/\">Continue reading<i class=\"crycon-right-dir\"><\/i><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-85","post","type-post","status-publish","format-standard","hentry","category-isami-service"],"_links":{"self":[{"href":"https:\/\/p-blog.pusyuuwanko.com\/index.php\/wp-json\/wp\/v2\/posts\/85","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/p-blog.pusyuuwanko.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/p-blog.pusyuuwanko.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/p-blog.pusyuuwanko.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/p-blog.pusyuuwanko.com\/index.php\/wp-json\/wp\/v2\/comments?post=85"}],"version-history":[{"count":1,"href":"https:\/\/p-blog.pusyuuwanko.com\/index.php\/wp-json\/wp\/v2\/posts\/85\/revisions"}],"predecessor-version":[{"id":86,"href":"https:\/\/p-blog.pusyuuwanko.com\/index.php\/wp-json\/wp\/v2\/posts\/85\/revisions\/86"}],"wp:attachment":[{"href":"https:\/\/p-blog.pusyuuwanko.com\/index.php\/wp-json\/wp\/v2\/media?parent=85"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/p-blog.pusyuuwanko.com\/index.php\/wp-json\/wp\/v2\/categories?post=85"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/p-blog.pusyuuwanko.com\/index.php\/wp-json\/wp\/v2\/tags?post=85"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}